public void SignUpUser_WithUserCredentialsValid_ReturnsListOfUsers()
 {
     var user = new User()
     {
         Username = "******",
         Password = "******"
     };
     var service = new LoginService();
     Assert.IsInstanceOfType(service.SignUpUser(user), typeof(List<User>));
 }
 public void SignUpUser_WithUserNoUsername_ThrowsException()
 {
     var user = new User()
     {
         Password = "******"
     };
     var service = new LoginService();
     service.SignUpUser(user);
 }
 public void SignUpUser_WithNoUser_ThrowsException()
 {
     var service = new LoginService();
     service.SignUpUser(null);
 }